LARGE CAPACITY MAGNETIC DRUM STORAGE SYSTEM.

被引：0
|
作者：
Kameyama, Tadahiko
Ono, Kyosuke
Kawada, Tadamichi
Nakanishi, Hiroshi
机构：
来源：
| 1978年 / 26卷 / 1-2期
关键词：
LOGIC DESIGN;
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摘要：
This paper describes the design and test results of a large capacity magnetic drum storage system developed for the DIPS-11 system. It has a 15 MB storage capacity, a 5. 3 ms average access time and a 1. 45 MB/s data transfer rate. Linear and track density are 156 bits/mm and 3 tracks/mm, respectively. For achieving higher recording density and higher transfer rate, flying head spacing and magnetic film thickness were decreased. A new modulation method and a new signal sensing method are employed. The performance of the drum controller was also improved by employing a variable length record format, multiple requesting function and logical device concept.
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页码：137 / 155
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